1. Department of Engineering of Physics, Faculty of Engineering, Ankara University, Tandogan, 06100 Ankara, Turkey
2. Physics Department, Faculty of Sciences, Ankara University, Tandogan, 06100 Ankara, Turkey
3. Physics Section, Faculty of Sciences and Arts, TOBB Economics and Technology University, 06560 Ankara, Turkey
4. Institute of Physics, Azerbaijan National Academy of Sciences, H. Javid pr., 33, Baku, AZ 1143, Azerbaijan